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Ge Chen

5 accepted papers

2025

Towards Reward Fairness in RLHF: From a Resource Allocation Perspective

ACL 2025long

Rewards serve as proxies for human preferences and play a crucial role in Reinforcement Learning from Human Feedback (RLHF). However, if these rewards are inherently imperfect, exhibiting various biases, they can adversely affect the alignment of large language models (LLMs). In this paper, we colle…

2024

MFTN: Multi-Level Feature Transfer Network Based on MRI-Transformer for MR Image Super-resolution

AAAI 2024technical

Due to the unique environment and inherent properties of magnetic resonance imaging (MRI) instruments, MR images typically have lower resolution. Therefore, improving the resolution of MR images is beneficial for assisting doctors in diagnosing the condition. Currently, the existing MR image super-r…

Cited by 5SourcePDFScholar
2024

When Generative Adversarial Networks Meet Sequence Labeling Challenges

EMNLP 2024main

The current framework for sequence labeling encompasses a feature extractor and a sequence tagger. This study introduces a unified framework named SLGAN, which harnesses the capabilities of Generative Adversarial Networks to address the challenges associated with Sequence Labeling tasks. SLGAN not o…

2022

Word Segmentation by Separation Inference for East Asian Languages

ACL 2022findings

Chinese Word Segmentation (CWS) intends to divide a raw sentence into words through sequence labeling. Thinking in reverse, CWS can also be viewed as a process of grouping a sequence of characters into a sequence of words. In such a way, CWS is reformed as a separation inference task in every adjace…